@article{1183499106,
author = {Bell, E. T.},
title = {Arithmetical consequences of a trigonometric identity},
journal = {Bull. Amer. Math. Soc.},
volume = {42},
number = {12},
year = {1936},
pages = { 557-560},
language = {en},
url = {http://dml.mathdoc.fr/item/1183499106}
}
Bell, E. T. Arithmetical consequences of a trigonometric identity. Bull. Amer. Math. Soc., Tome 42 (1936) no. 12, pp. 557-560. http://gdmltest.u-ga.fr/item/1183499106/